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Final design is ready......or is it?


When you first start out with a new product idea or concept - expect to go through A LOT of different iterations of the product. No matter how sound and awesome you think the latest design is, it will most likely need to be changed. Don't get discouraged. Don't get down. Just know it's part of the process. You don't want to skip the due diligence aspect of product design and then invest in mass production only to find out you need to make a change! That's not efficient and that's not smart. Check the ego at the door and bust your ass!


For TruePendulumMotion (TPM), we went through many different design ideas. The very first concept was hand carved out of a composite material that you can get at any hobby shop. Then you start to realize things that need improvement. We spend a lot of time and money working on a design that wasn't suitable for mass production. That was our MISTAKE. It's not always clear in the beginning, but if you intend on releasing something to the public you better be sure that it's scaleable. For example, the rubber connector for TPM was cast out of a silicon mold. Hundreds of dollars went into prototyping something that was suitable for one offs. THIS IS BAD! We had to redesign everything with mass production in mind. Granted we did not know how well TPM would do so why should you skip right to mass production. Sometimes you can't so just keep it in mind.

Here is a shot of some of the different designs and softnesses. Each color was a different shore A hardness. 

Now, will the real TPM please stand up?

Isn't she sexy? She is the beautifully designed, injection mold ready, solid piece of thermoplastic vulcanite that will be flexible enough to let long rods spread open, and also strong enough to attach to a putter shaft and not let go (easily). 

  • March 10, 2015
  • Charles Kim
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May 27, 2016

I loved your forum.Much thanks again. Really Cool. Cora